2018 Freightliner 108SD Fluids

Keep Your 2018 Freightliner 108SD in Top Shape with Quality Fluids

Whether you’re repairing or upgrading your Fluid, using high-quality parts is key to keeping your 2018 Freightliner 108SD looking sharp and performing at its best. At Advance Auto Parts we carry a wide selection of dependable options, including Diesel Emissions Fluids. Whether you’re replacing a damaged part or enhancing your truck’s style and protection, you’ll find exactly what you need to get the job done right.

Explore Related Parts

While you’re upgrading or replacing your Fluid, don’t forget to check out other key components like Coolant/Antifreeze. At Advance Auto Parts, we’re here to help you keep your 2018 Freightliner 108SD in peak condition, inside and out.

Essential 2018 Freightliner 108SD Fluids

FRAM – Diesel Exhaust Fluid (DEF): 2.5 Gallon (Part No.457)

Diesel Exhaust Fluid (DEF): 2.5 Gallon

from

$9.99
FRAM Diesel Exhaust Fluid (DEF) is a non-toxic solution engineered to help diesel-powered vehicles reduce emissions and improve fuel economy.

Product Features:
  • For use in Selective Catalytic Reduction (SCR) systems on diesel engines.
  • Diesel exhaust fluid is non-toxic and safe to handle
  • Stable, colorless and odorless, and also meets ISO Standards 22241 for purity and composition
See More

PEAK – Blue DEF Diesel Exhaust Fluid, 2.5 Gallon (Part No.DEF002)

Blue DEF Diesel Exhaust Fluid, 2.5 Gallon

from

$21.99
PEAK BlueDEF Diesel Exhaust Fluid is a mixture of high purity synthetic urea and deionized water that is used in Selective Catalytic Reduction (SCR) systems in diesel vehicles. DEF is used to help convert NOx to harmless nitrogen and water.

Product Features:
  • BlueDEF’s Purity Guarantee is our assurance the DEF your are purchasing has been tested to meet or exceed the strictest OEM standards
  • America’s #1 brand of Diesel Exhaust Fluid
  • Conforms to the ISO-22241-1 specification for DEF, and is an American Petroleum Institute (API) certified diesel exhaust fluid
  • Compatible with all diesel SCR systems
  • Non-flammable formula makes handling safe and easy
See More

BlueDEF – PLATINUM Diesel Exhaust Fluid, 2.5 Gallon (Part No.DEG002)

PLATINUM Diesel Exhaust Fluid, 2.5 Gallon

from

$29.99
PEAK BlueDEF PLATINUM with advanced SYSTEM SHIELD technology is a groundbreaking premium Diesel Exhaust Fluid with a proprietary formula to tackle deposits that can build up in the SCR system.

Product Features:
  • Uses advanced SYSTEM SHIELD technology to reduce future deposits
  • Maintains optimum fuel economy
  • Saves money on costly repairs
  • Sustains the life of your SCR system
  • Compatible with all diesel SCR systems
  • Tested to meet or exceed the strictest OEM standards
  • Conforms to the ISO-22241-1 specification for DEF, and is an American Petroleum Institute (API) certified diesel exhaust fluid
  • America’s No. 1 brand of Diesel Exhaust Fluid
See More

Most Popular Diesel Emissions Fluids for 2018 Freightliner 108SDs

Enhance your 2018 Freightliner 108SD with one of the 3 Diesel Emissions Fluids we have in stock, starting at just $9.99.

PEAK – Blue DEF Diesel Exhaust Fluid, 2.5 Gallon (Part No.DEF002)

Blue DEF Diesel Exhaust Fluid, 2.5 Gallon

from

$21.99
PEAK BlueDEF Diesel Exhaust Fluid is a mixture of high purity synthetic urea and deionized water that is used in Selective Catalytic Reduction (SCR) systems in diesel vehicles. DEF is used to help convert NOx to harmless nitrogen and water.

Product Features:
  • BlueDEF’s Purity Guarantee is our assurance the DEF your are purchasing has been tested to meet or exceed the strictest OEM standards
  • America’s #1 brand of Diesel Exhaust Fluid
  • Conforms to the ISO-22241-1 specification for DEF, and is an American Petroleum Institute (API) certified diesel exhaust fluid
  • Compatible with all diesel SCR systems
  • Non-flammable formula makes handling safe and easy
See More

FRAM – Diesel Exhaust Fluid (DEF): 2.5 Gallon (Part No.457)

Diesel Exhaust Fluid (DEF): 2.5 Gallon

from

$9.99
FRAM Diesel Exhaust Fluid (DEF) is a non-toxic solution engineered to help diesel-powered vehicles reduce emissions and improve fuel economy.

Product Features:
  • For use in Selective Catalytic Reduction (SCR) systems on diesel engines.
  • Diesel exhaust fluid is non-toxic and safe to handle
  • Stable, colorless and odorless, and also meets ISO Standards 22241 for purity and composition
See More

BlueDEF – PLATINUM Diesel Exhaust Fluid, 2.5 Gallon (Part No.DEG002)

PLATINUM Diesel Exhaust Fluid, 2.5 Gallon

from

$29.99
PEAK BlueDEF PLATINUM with advanced SYSTEM SHIELD technology is a groundbreaking premium Diesel Exhaust Fluid with a proprietary formula to tackle deposits that can build up in the SCR system.

Product Features:
  • Uses advanced SYSTEM SHIELD technology to reduce future deposits
  • Maintains optimum fuel economy
  • Saves money on costly repairs
  • Sustains the life of your SCR system
  • Compatible with all diesel SCR systems
  • Tested to meet or exceed the strictest OEM standards
  • Conforms to the ISO-22241-1 specification for DEF, and is an American Petroleum Institute (API) certified diesel exhaust fluid
  • America’s No. 1 brand of Diesel Exhaust Fluid
See More

FAQs for 2018 Freightliner 108SD Fluids

What are the best-selling Fluids for 2018 Freightliner 108SDs?

Out of 3 Fluids that fit 2018 Freightliner 108SDs, the following parts are the top sellers:

What’s the price range for 2018 Freightliner 108SD Fluids?

The prices of Fluids for the 2018 Freightliner 108SD range from $9.99 up to $29.99 for the most premium parts.

What is the average price of a Fluids Fluid for a 2018 Freightliner 108SD?

The average price for Fluids for the 2018 Freightliner 108SD is $20.66. Keep in mind the variety of part types within our Fluid category, where you are likely to find a wide range of prices across a variety of parts and components.

Does Advance Auto Parts sell Fluids for other Freightliner 108SD model years?

Yes, we carry Fluids for 10 model years of Freightliner 108SDs between 2012 and 2023. The following model years are the most popular for Fluid purchases: 2023, 2022, 2021, 2020, 2019, 2017, 2016, 2015, and 2014.

What are the cheapest Fluids for my 2018 Freightliner 108SD?

The cheapest 2018 Freightliner 108SD Fluids we carry are:

Does Advance Auto Parts sell Fluids for any other 2018 Freightliner models?

Yes. We stock Fluids for 19 other popular 2018 Freightliner models. Some of the most popular are 2018 Sprinter 2500 Fluids, 2018 Sprinter 3500 Fluids, 2018 114SD Fluids, 2018 M2 106 Fluids, and 2018 Coronado Fluids.

What types of Fluids do you sell for my 2018 Freightliner 108SD?

We currently have just 1 Fluid in stock for a 2018 Freightliner 108SD, and as of 4/10/25, it is a Diesel Emissions Fluid.

Can I get help with 2018 Freightliner 108SD Fluid orders?

Contact our customer support team by chat or phone, through the help desk page, where you can find instant answers about Freightliner Fluids and more.

What is your return policy for Freightliner 108SD Fluids?

Advance Auto Parts keeps returns simple. For new Freightliner 108SD Fluids and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.